X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FBUGS;h=7c95fa7b8af01bac1f19a6b8d3f883a63c12bcb7;hb=c1173eb11c5f218cd459924eb44276445c499069;hp=ce3d276abf72722b57c5e3bc3224b2854d2de754;hpb=2dd1a460eeaf7bbfaf46eb4756d06b6fc5d72622;p=lyx.git diff --git a/src/mathed/BUGS b/src/mathed/BUGS index ce3d276abf..7c95fa7b8a 100644 --- a/src/mathed/BUGS +++ b/src/mathed/BUGS @@ -1,277 +1,39 @@ -Items marked with - - // - are probably fixed, the reporter is asked to verify this - and report success or failure - - ?? - are not reproducable, the reporter is asked to verify this - and report success or failure - - :: - are questions or comments to the reporter, containing question - on how to reproduce the bug exactly or things like that - - !! - mark "not a bug, a feature" replies, usually with a request for - further discussion - -Unmarked items are known unfixed but probably unverified bugs. - ----------------------------------------------------------------------- - -General hints for bug reports: - - - keep the items small - - - do not provide excessive information on how to reproduce the bug - if this is obvious - - - if a bug is partly fixed, report it as "fixed" and a new bug item - that contains the unfixed part only - - - check this list regularly, comment on the marked items. - - - plain ASCII text please, not much more than 70 chars per column - ----------------------------------------------------------------------- - - - -Dekel: - -Array/eqnarray - -// - Ctrl+enter doesn't work - -// - When creating a matrix/align/eqnarray all columns are centered. - - -Macros: - -?? - When changing the macro definition, all instances are not updated. - -:: I cannot reproduce this. - -?? - If I have macros \newcommand{\foo}[1]{[#1]} and -?? \newcommand{\foox}{\foo{x}} then when an instance of \foox is drawn on -?? screen, there are two black frames. While this is "correct", it is -?? annoying. - -:: This is partially fixed? - -- LyX crashes when you define a recursive macro - -Misc: - -- If I have x_{1}^{2}, I put the cursor before the 2, and press backspace, - the result is 'x2'. The correct result should be 'x_{1}2' - -- If I mark some text and then press ^, then the marked text is deleted. - The correct behavior is to put the marked text in the superscript. - -- Pressing when cursor is in subscript will move the cursor up - (to the base of the subscript) instead of exiting the inset. - The same problem happen in fractions - -!! If you type something there you will see that the corsor has left the -!! inset. That's mor or less a "feature". If you don't like it, propose a -!! method how a subscript inset can figure out what is "optically" lower -!! on screen. - -// - When you press the mouse just to the left of the middle point of -// some char, the cursor will be positioned to the right of the char. - -- It is possible to put two or more consecutive spaces in math text mode - -// - Text in superscript is not smaller than normal text. - -?? - After insertion of \sum, the cursor is in invalid location -?? There is still a problem when doing c-m \sum S-C-M - -?? - The height of the frame is often wrong (e.g. x^2) -?? For example $\sum x$ in an inline formula - -- InsetFormula::validate is broken - -// - Changing math space length by pressing the space-bar key doesn't work -!! it's M-m space now. - -- The drawing of decorations on screen is very different than latex. - (a low priority bug). - -- If I change '\alpha' to bold, the result is \mathbf{a} - -- Just moving the cursor in a math inset causes changing the buffer status - to (changed). - - Eran Tromer: -- When exiting the formula during selection, the anchor moves to the - left of the formula and there's no way to go back. - -// - Scripts are too large. $\log_2$ exceeds inset frame (non-displayed). - -- You need two to get past \vec{v}, and all sort of other - insetish behavior. - -- \vec{several-characters} doesn't work. \overrightarrow does. - -- When the cursor is in a subscript (and either isn't at the end of - the subscript or there's no subsubscript), pressing should - try to *really* go down (to the next line, or denumerator, or - whatever). Currently it goes *up*. Ditto for superscripts. - -:: Please see comment to Dekel's report on the same problem. - -// - When choosing to insert "\left\Vert \right\Vert" parenthesis using -// the maths [sic] panel, a "\left( \right." is inserted instead. - - - Formula inside tabular cell: red frame of cell inset and purple - frame of formula can overlap, causing leftovers when leaving - formula. To get an example, insert a 1x1 tabular into a new document, - enter the cell its cell and press - M-m ( M-f 1 (zoom=100, screenDPI=100) - -- When selecting multiple cells in a array using the keyboard, - etc. should can move whole cell at a time -- no need to navigate - within cells. - -- When selecting, maybe give a visual indication of the "original" +- When selecting, maybe give a visual indication of the "original" anchor, when it differs from the "actual" one. -// - C-v always pastes into the end of the current math inset, instead of -// the cursor location. - -- Placement of cursor using mouse is seriously broken. - Example 1: large fractions. - Example 2: type into a new document: - "M-d xxxxxxxxx M-x footnote-insert" - Can't reach most places in the formula using mouse. - - - -Rainer Dorsch: - -- Entering \mathbf{c} in math mode is displayed as written (without - backslash) - - -Marcus (Suran@gmx.net) - -// - In math-mode I can switch back to text-mode in a formula but then I am -// not able to type Umlauts. -?? - Having selected some part of a formula and creating a fraction with that -?? part in the top my selection-buffer is replaced with the part. +Álvaro Tejero Cantero -- If the math-panel has the focus I can type text but not switch into - math-mode or use some of the other keyboard-shortcuts. - -- In the default-configuration there are shortcuts for al greek characters - _except_ varphi wich is used extensively as a default-variable-name. - - -From: Álvaro Tejero Cantero - -- the most annoying bug by far: bold is "inherited" to super and subscripts. - -- when you get into equation array mode, the previous equation(s) remain(s) - unaligned. I would be soo much faster to have LyX pick the last equal sign - from the previous line as a reference for the alignment (and a good heuristic - for the 80% of cases, with the advantage that we don't lose anything - enforcing it). This is another case that slows down a lot when typing - because, as the previous one, requires going back and correcting. - -- the movement is sometimes clumsy inside this arrayed equations: ie. C-a (or - "home" are understood as "beginning of the formula" instead of "beginning of - the equation". Again, a lot of movement has to be made. I suggest mapping - "beginning of doc" with "beginning of formula" and so on (very intuitive), in - case you don't deem appropriate the "namespace idea" below. - -//- movement between macro boxes is also weird, but in this one it's perhaps -// just me. - -- I suggest creating a different "kewybinding namespace" for the formulas, - since you could put to good use all those keybindings from the menu (M-?, - C-?) thath currently do their job PLUS getting you out of the formula. - Seriously, it'd be great to have more keys free, so M-d t would be time +- I suggest creating a different "kewybinding namespace" for the formulas, + since you could put to good use all those keybindings from the menu (M-?, + C-?) thath currently do their job PLUS getting you out of the formula. + Seriously, it'd be great to have more keys free, so M-d t would be time derivative and M-d ? derivative with respect to the variable ?. And so on. - -- I'm no experienced C++ programmer, but if you consider it appropriate, I - could write a scritp in python for this one (I'm also very optimistic). Tell - me what you think: - - Flattening macros. Sometimes it's annoying the fact that once you have - written a macro, you can't touch at it's "constant parts". I call flattening + + Flattening macros. Sometimes it's annoying the fact that once you have + written a macro, you can't touch at it's "constant parts". I call flattening to the process of substituting all macros with LaTeX code. - - Task: designing a macro substitution system that reads from a file - (possibly the same file as the document's) the macros and parses the document + + Task: designing a macro substitution system that reads from a file + (possibly the same file as the document's) the macros and parses the document doing the appropriate replacements - - This is very useful, because sometimes you have a big expression in a macro - and you want to change an index only. What do you do then?. You retype - everything (perhaps several times in the document) or you create extremely - generic and parametrizable macros that aren't very fast to fill in the - majority of cases. - - -- undo-redo seems too coarse in math-mode. You end up losing substantial - fragments of your formula. I hate that when it affects tensors,;). - -- cut&paste inside math-mode doesn't work the X fashion (middle button doesn't - paste anything). - -- I remember having heard that a search-replace function was planned, so I - won't repeat that. Only that the flattening option would be then easier to - implement on top of that. - -- There's something I keep wondering about.. how do new math symbols get into - LyX. Do they get ever?. I don't know if it can be done, but if you tell me - where to "draw" those symbols or how, I would very glad start doing it. LyX - deserves to have support (visual support) for all the AMSTeX constructs. But - there must be something structural going on there, because otherwise more - math symbols would be ready by now.. just a thought. - -- Some math symbols aren't very well supported (to my knowledge). I'm - thinking of underbraces with extra data in them,or [] options. + This is very useful, because sometimes you have a big expression in a macro + and you want to change an index only. What do you do then?. You retype + everything (perhaps several times in the document) or you create extremely + generic and parametrizable macros that aren't very fast to fill in the + majority of cases. -Herbert Voss: -- it's not possible to enter superscript when the - ^-char works as a dead key. with the second ^- - or the space the cursor jumps outside the mathbox. +- cut&paste inside math-mode doesn't work the X fashion (middle button doesn't + paste anything). Jules Bean: - -- I've been using Lyx for a year or two now, and I have some thoughts on - improving the interface. Not the GUI, as such, but the basic Human-Machine - interface --- the efficiency with which I can enter information into it. - -There are a couple of general principles I'm try to uphold here: - -a) If something's easy & quick in LaTeX then it should be easy & quick in -LyX (unless it really isn't very common). b) Actions which are used -frequently should be a single key-press, even if that's not very easy to -remember. You learn it. c) Actions which are used rarely should be -mnemonic -- easy to remember -- even if they are multiple keypresses. -Things you do rarely you care less about the time it takes to perform. - -2) Math-mode entry Under the xemacs keybindings, which I use, (damn it, -I don't want to confuse my poor muscle memory more than necessary by -learning too many different bindings for the same actions), the key -sequence to enter math-mode is 'M-c m'. I'm not sure exactly what to -propose instead, but I really think this needs to be only one keypress. - -As an aside, you may think that I'm whining over nothing. However, when -you enter math mode as often as I do (often more than once a sentence) it -gets very annoying, especially as compared to simply typing '$' in plain -emacs. Also, you may say 'why don't you just change your bindings file?'. I -will ;) but I wanted to start some discussion on this since it can benefit -everyone! - -More serious, though, than the number of characters which need to be typed +The number of characters which need to be typed is the confusing nature of the command. 'M-c m', typed once, puts you into math-mode. However, typing 'M-c m' again doesn't put you out of math-mode --- it puts you into math-text mode. Then hitting it again puts you back @@ -279,17 +41,17 @@ into normal math-mode. IMO, 'modal' keys should either be idempotent (so hitting it the second time does nothing) or self-inverting. In fact, the inverse to 'M-c m' is either 'ESC' or simply a space typed at the end of the block --- which is confusing, since they're not of the same 'shape' as -the command that got you in there. +the command that got you in there. Now, I'm not saying that 'space' shouldn't be allowed as a short-cut to get you out of math-mode; it's a most useful and natural one, I like it a lot. -However, on balance I think M-c m should also have that effect. +However, on balance I think M-c m should also have that effect. -3) Math-mode inconsistencies +3) Math-mode inconsistencies Sometimes 'the same action' has the same keystroke both within and without math-mode. This is very sensible. However, it is very annoying when -they don't behave the way you're expecting them to. +they don't behave the way you're expecting them to. For example, 'M-c e' puts you into 'emphasise' mode. Ignoring the fact that in text mode this is italics, and in math-mode it stands for the @@ -298,41 +60,31 @@ the fact that they have the same keys. However, in math-mode, 'M-c e' is idempotent, (and you need 'M-c space' to get back into normal) whereas in text-mode 'M-c e' is self-inverse. These are the two possibilities I listed as acceptable before, but consistency would be nice ;-) IMO, self-inverse -would be best for both. +would be best for both. -4) ERT in math-mode - -Math-mode doesn't handle ERT very well at all. It flips back out of -TeX-mode as soon as you type any special character. Very annoying if I -wish to typeset an \xymatrix inside math-mode (see also my comment above -about table-like environments), since I can't type the &. In fact, my -xymatrices end up as $$\xymatrix{..}$$ in text-mode ERT. Also rather -annoying when you want to use a \macro with more than one argument (but not -fatally so). - -5) Proposal : a 'ligatures' or 'autocorrect' system +5) Proposal : a 'ligatures' or 'autocorrect' system One of the very minor, but useful, features of TeX is the way it lets you type the nearest approximation to what you want using a 'typewriter keyboard', and substitutes the typographically neat equivalent. In particular, 'fancy' quotes (") and en and em dashes (---). I propose that this UI element could be taken up a level into LyX, with a system that does -the following (for example): +the following (for example): --> becomes \rightarrow -<- becomes \leftarrow -=> becomes \Rightarrow (etc..) -==> becomes \Longrightarrow (etc..) +-> becomes \rightarrow +<- becomes \leftarrow +=> becomes \Rightarrow (etc..) +==> becomes \Longrightarrow (etc..) This may only be appropriate in math mode, of course. This family bug me in particular because they take ages to type using a \-escape. Undoubtedly sharp minds will think of others, and also we need some way of actually -typing those sequences as literals when we want them. +typing those sequences as literals when we want them. -6) Scope macros: +6) Scope macros: The current macro system is clever, but could be neater. One improvement -I'd like is to let LyX know about TeX's scoping rules... +I'd like is to let LyX know about TeX's scoping rules... Yves Bastide: @@ -341,17 +93,6 @@ Yves Bastide: among others... (selected via validate()?) -Jean-Marc: - -> \def\neq{\not=} \let\ne=\neq -> \let\le=\leq -> \let\ge=\geq -> \let\owns=\ni -> \let\gets=\leftarrow -> \let\to=\rightarrow -> % \let\@@sqrt\sqrtsign -> \let\|=\Vert - Angus: - make math lables editable